                                         :cat :verb
                                         :sem {:tense :future}}})
                        (unify c10
-                              root-is-head
-                              {:rule "s-future-nonphrasal"
-                               :head {:phrasal false}
-                               :synsem {:aux false
-                                        :infl :future
-                                        :cat :verb
-                                        :sem {:tense :future}}})
-                       (unify c10
                               root-is-head-root
                               {:rule "s-conditional-phrasal"
                                :head {:phrasal true}
-                               :synsem {:aux false
-                                        :infl :conditional
-                                        :cat :verb
-                                        :sem {:tense :conditional}}})
-                       (unify c10
-                              root-is-head
-                              {:rule "s-conditional-nonphrasal"
-                               :head {:phrasal false}
                                :synsem {:aux false
                                         :infl :conditional
                                         :cat :verb

                                        :infl :passato
                                        :cat :verb}}
                              vp-non-pronoun)
                       
                       (unify h21
                              root-is-head
                              {:rule "vp-present"

                                        :cat :verb
                                        :sem {:aspect :progressive
                                              :tense :past}}})

                       (unify c10
                              root-is-head
                              {:rule "sentence-nonphrasal-head"
                               :head {:phrasal false}
                               :synsem {:cat :verb}})

                       (unify c10
                              root-is-head-root
                              {:rule "s-present-phrasal"
